code: def _ensure_lines(lines):
      if isinstance(lines, str):
          lines = lines.splitlines(False)
      return lines
  
imports: import datetime
  import decimal
  import difflib
  import json
  import os
  import traceback
  from collections.abc import Iterable
  from typing import Any
label_desc: Use image node_id 4 for calling a global function with example usage: _ensure_lines(lines) and returns: lines